./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/mix040.opt.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/mix040.opt.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 958ec4d9 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix040.opt.i ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/mix040.opt.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-dev-958ec4d-m [2024-02-07 14:49:01,665 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 14:49:01,732 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-07 14:49:01,737 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 14:49:01,737 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 14:49:01,762 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 14:49:01,763 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 14:49:01,763 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 14:49:01,764 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 14:49:01,767 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 14:49:01,767 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 14:49:01,767 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 14:49:01,768 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 14:49:01,769 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 14:49:01,769 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 14:49:01,770 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 14:49:01,770 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 14:49:01,770 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 14:49:01,770 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-07 14:49:01,771 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 14:49:01,771 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 14:49:01,771 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 14:49:01,771 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 14:49:01,772 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 14:49:01,772 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 14:49:01,772 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 14:49:01,772 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 14:49:01,773 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 14:49:01,773 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 14:49:01,773 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 14:49:01,774 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 14:49:01,774 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 14:49:01,775 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:49:01,775 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 14:49:01,775 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 14:49:01,775 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 14:49:01,775 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-07 14:49:01,776 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-07 14:49:01,776 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 14:49:01,776 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 14:49:01,776 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 14:49:01,777 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 14:49:01,777 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 14:49:01,777 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 14:49:01,986 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 14:49:02,004 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 14:49:02,006 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 14:49:02,007 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 14:49:02,008 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 14:49:02,009 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix040.opt.i [2024-02-07 14:49:03,088 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 14:49:03,335 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 14:49:03,336 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix040.opt.i [2024-02-07 14:49:03,357 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8620ff30/1e5ad0d5bd364563ad485125dcc64db1/FLAG9a387d6eb [2024-02-07 14:49:03,370 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8620ff30/1e5ad0d5bd364563ad485125dcc64db1 [2024-02-07 14:49:03,372 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 14:49:03,372 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 14:49:03,374 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/mix040.opt.yml/witness.yml [2024-02-07 14:49:03,503 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 14:49:03,505 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 14:49:03,506 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 14:49:03,506 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 14:49:03,509 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 14:49:03,510 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:49:03" (1/2) ... [2024-02-07 14:49:03,511 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c854ba5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:49:03, skipping insertion in model container [2024-02-07 14:49:03,511 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:49:03" (1/2) ... [2024-02-07 14:49:03,513 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3d5b0fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:49:03, skipping insertion in model container [2024-02-07 14:49:03,513 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:49:03" (2/2) ... [2024-02-07 14:49:03,513 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c854ba5 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:49:03, skipping insertion in model container [2024-02-07 14:49:03,514 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:49:03" (2/2) ... [2024-02-07 14:49:03,514 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 14:49:03,633 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 14:49:03,634 INFO L76 edCorrectnessWitness]: Location invariant before [L867-L867] (z$r_buff1_thd0 == (_Bool)0 && z$w_buff1_used == (_Bool)1) || (z$r_buff0_thd0 == (_Bool)0 && z$w_buff0_used == (_Bool)1) [2024-02-07 14:49:03,634 INFO L76 edCorrectnessWitness]: Location invariant before [L790-L790] ((((z$r_buff1_thd3 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && z$w_buff1_used == (_Bool)1) || z$r_buff0_thd3 == (_Bool)0) || (((z$r_buff0_thd3 == (_Bool)0 && z$r_buff1_thd3 == (_Bool)0) && z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd3 == (_Bool)0 && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:49:03,635 INFO L76 edCorrectnessWitness]: Location invariant before [L833-L833] (z$w_buff0_used == (_Bool)1) && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) [2024-02-07 14:49:03,635 INFO L76 edCorrectnessWitness]: Location invariant before [L837-L837] z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1 [2024-02-07 14:49:03,635 INFO L76 edCorrectnessWitness]: Location invariant before [L830-L830] ((0 <= __unbuffered_p3_EBX) && (__unbuffered_p3_EBX <= 1)) && (__unbuffered_p3_EBX == 0 || __unbuffered_p3_EBX == 1) [2024-02-07 14:49:03,636 INFO L76 edCorrectnessWitness]: Location invariant before [L18-L18] ((0 <= expression) && (expression <= 1)) && (expression == 0 || expression == 1) [2024-02-07 14:49:03,636 INFO L76 edCorrectnessWitness]: Location invariant before [L865-L865] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 14:49:03,636 INFO L76 edCorrectnessWitness]: Location invariant before [L832-L832] (z$w_buff1_used == (_Bool)1 && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) || (z$w_buff0_used == (_Bool)1 && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1)) [2024-02-07 14:49:03,636 INFO L76 edCorrectnessWitness]: Location invariant before [L811-L811] ((0 <= z$w_buff1) && (z$w_buff1 <= 1)) && (z$w_buff1 == 0 || z$w_buff1 == 1) [2024-02-07 14:49:03,636 INFO L76 edCorrectnessWitness]: Location invariant before [L798-L798] ((0 <= z) && (z <= 1)) && (z == 0 || z == 1) [2024-02-07 14:49:03,636 INFO L76 edCorrectnessWitness]: Location invariant before [L803-L803] 0 <= __unbuffered_cnt [2024-02-07 14:49:03,636 INFO L76 edCorrectnessWitness]: Location invariant before [L799-L799] z$flush_delayed == (_Bool)0 [2024-02-07 14:49:03,637 INFO L76 edCorrectnessWitness]: Location invariant before [L871-L871] (z$r_buff1_thd0 == (_Bool)0 && (z$w_buff1_used == (_Bool)1 || (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd0 == (_Bool)0 && z$w_buff0_used == (_Bool)1) [2024-02-07 14:49:03,637 INFO L76 edCorrectnessWitness]: Location invariant before [L869-L869] (z$r_buff1_thd0 == (_Bool)0 && (z$w_buff1_used == (_Bool)1 || (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd0 == (_Bool)0 && z$w_buff0_used == (_Bool)1) [2024-02-07 14:49:03,637 INFO L76 edCorrectnessWitness]: Location invariant before [L793-L793] ((((z$r_buff1_thd3 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && z$w_buff1_used == (_Bool)1) || z$r_buff0_thd3 == (_Bool)0) || (((z$r_buff0_thd3 == (_Bool)0 && z$r_buff1_thd3 == (_Bool)0) && z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd3 == (_Bool)0 && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:49:03,637 INFO L76 edCorrectnessWitness]: Location invariant before [L796-L796] (((0 <= z) && (z <= 1)) && (z$r_buff1_thd3 == (_Bool)0)) && (z == 0 || z == 1) [2024-02-07 14:49:03,637 INFO L76 edCorrectnessWitness]: Location invariant before [L817-L817] (z$r_buff0_thd2 == (_Bool)0) && (z$r_buff1_thd1 == (_Bool)0) [2024-02-07 14:49:03,637 INFO L76 edCorrectnessWitness]: Location invariant before [L814-L814] (z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)1) [2024-02-07 14:49:03,637 INFO L76 edCorrectnessWitness]: Location invariant before [L870-L870] (z$r_buff0_thd0 == (_Bool)0) && (z$w_buff0_used == (_Bool)1) [2024-02-07 14:49:03,637 INFO L76 edCorrectnessWitness]: Location invariant before [L819-L819] (z$r_buff1_thd3 == (_Bool)0) && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) [2024-02-07 14:49:03,638 INFO L76 edCorrectnessWitness]: Location invariant before [L788-L788] (((0 <= z) && (z <= 1)) && (z == 0 || z == 1)) && (z$flush_delayed == (_Bool)0 || z$flush_delayed == (_Bool)1) [2024-02-07 14:49:03,638 INFO L76 edCorrectnessWitness]: Location invariant before [L840-L840] 1 <= __unbuffered_cnt [2024-02-07 14:49:03,638 INFO L76 edCorrectnessWitness]: Location invariant before [L795-L795] ((((z$r_buff1_thd3 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && z$w_buff1_used == (_Bool)1) || z$r_buff0_thd3 == (_Bool)0) || (((z$r_buff0_thd3 == (_Bool)0 && z$r_buff1_thd3 == (_Bool)0) && z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd3 == (_Bool)0 && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:49:03,638 INFO L76 edCorrectnessWitness]: Location invariant before [L753-L753] b == 1 [2024-02-07 14:49:03,638 INFO L76 edCorrectnessWitness]: Location invariant before [L821-L821] z$r_buff0_thd4 == (_Bool)1 [2024-02-07 14:49:03,639 INFO L76 edCorrectnessWitness]: Location invariant before [L827-L827] ((0 <= __unbuffered_p3_EAX) && (__unbuffered_p3_EAX <= 1)) && (__unbuffered_p3_EAX == 0 || __unbuffered_p3_EAX == 1) [2024-02-07 14:49:03,639 INFO L76 edCorrectnessWitness]: Location invariant before [L875-L875] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 14:49:03,639 INFO L76 edCorrectnessWitness]: Location invariant before [L761-L761] 1 <= __unbuffered_cnt [2024-02-07 14:49:03,639 INFO L76 edCorrectnessWitness]: Location invariant before [L868-L868] (z$r_buff0_thd0 == (_Bool)0) && (z$w_buff0_used == (_Bool)1) [2024-02-07 14:49:03,639 INFO L76 edCorrectnessWitness]: Location invariant before [L816-L816] (z$r_buff0_thd1 == (_Bool)0) && (z$r_buff1_thd0 == (_Bool)0) [2024-02-07 14:49:03,639 INFO L76 edCorrectnessWitness]: Location invariant before [L834-L834] (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1) && (((z$w_buff1_used == (_Bool)1 && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1)) || (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) || (z$w_buff0_used == (_Bool)1 && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1))) [2024-02-07 14:49:03,639 INFO L76 edCorrectnessWitness]: Location invariant before [L839-L839] 0 <= __unbuffered_cnt [2024-02-07 14:49:03,640 INFO L76 edCorrectnessWitness]: Location invariant before [L791-L791] ((((z$r_buff1_thd3 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && z$w_buff1_used == (_Bool)1) || z$r_buff0_thd3 == (_Bool)0) || (((z$r_buff0_thd3 == (_Bool)0 && z$r_buff1_thd3 == (_Bool)0) && z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd3 == (_Bool)0 && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:49:03,640 INFO L76 edCorrectnessWitness]: Location invariant before [L794-L794] ((((z$r_buff1_thd3 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && z$w_buff1_used == (_Bool)1) || z$r_buff0_thd3 == (_Bool)0) || (((z$r_buff0_thd3 == (_Bool)0 && z$r_buff1_thd3 == (_Bool)0) && z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd3 == (_Bool)0 && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:49:03,640 INFO L76 edCorrectnessWitness]: Location invariant before [L760-L760] 0 <= __unbuffered_cnt [2024-02-07 14:49:03,640 INFO L76 edCorrectnessWitness]: Location invariant before [L771-L771] y == 1 [2024-02-07 14:49:03,640 INFO L76 edCorrectnessWitness]: Location invariant before [L810-L810] ((0 <= z$w_buff0) && (z$w_buff0 <= 1)) && (z$w_buff0 == 0 || z$w_buff0 == 1) [2024-02-07 14:49:03,640 INFO L76 edCorrectnessWitness]: Location invariant before [L792-L792] ((((z$r_buff1_thd3 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && z$w_buff1_used == (_Bool)1) || z$r_buff0_thd3 == (_Bool)0) || (((z$r_buff0_thd3 == (_Bool)0 && z$r_buff1_thd3 == (_Bool)0) && z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd3 == (_Bool)0 && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:49:03,641 INFO L76 edCorrectnessWitness]: Location invariant before [L775-L775] 0 <= __unbuffered_cnt [2024-02-07 14:49:03,642 INFO L76 edCorrectnessWitness]: Location invariant before [L812-L812] (z$w_buff0 == 1) && (z$w_buff0_used == (_Bool)0 || z$w_buff0_used == (_Bool)1) [2024-02-07 14:49:03,642 INFO L76 edCorrectnessWitness]: Location invariant before [L789-L789] ((((z$r_buff1_thd3 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && z$w_buff1_used == (_Bool)1) || z$r_buff0_thd3 == (_Bool)0) || (((z$r_buff0_thd3 == (_Bool)0 && z$r_buff1_thd3 == (_Bool)0) && z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd3 == (_Bool)0 && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:49:03,642 INFO L76 edCorrectnessWitness]: Location invariant before [L872-L872] z$r_buff1_thd0 == (_Bool)0 [2024-02-07 14:49:03,642 INFO L76 edCorrectnessWitness]: Location invariant before [L804-L804] 1 <= __unbuffered_cnt [2024-02-07 14:49:03,642 INFO L76 edCorrectnessWitness]: Location invariant before [L820-L820] z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1 [2024-02-07 14:49:03,642 INFO L76 edCorrectnessWitness]: Location invariant before [L826-L826] ((0 <= a) && (a <= 1)) && (a == 0 || a == 1) [2024-02-07 14:49:03,642 INFO L76 edCorrectnessWitness]: Location invariant before [L829-L829] ((0 <= b) && (b <= 1)) && (b == 0 || b == 1) [2024-02-07 14:49:03,643 INFO L76 edCorrectnessWitness]: Location invariant before [L876-L876] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 14:49:03,643 INFO L76 edCorrectnessWitness]: Location invariant before [L863-L863] 0 <= __unbuffered_cnt [2024-02-07 14:49:03,643 INFO L76 edCorrectnessWitness]: Location invariant before [L818-L818] (z$r_buff0_thd3 == (_Bool)0) && (z$r_buff1_thd2 == (_Bool)0) [2024-02-07 14:49:03,643 INFO L76 edCorrectnessWitness]: Location invariant before [L835-L835] (z$w_buff0_used == (_Bool)1) && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) [2024-02-07 14:49:03,643 INFO L76 edCorrectnessWitness]: Location invariant before [L787-L787] weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1 [2024-02-07 14:49:03,644 INFO L76 edCorrectnessWitness]: Location invariant before [L864-L864] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 14:49:03,644 INFO L76 edCorrectnessWitness]: Location invariant before [L783-L783] y == 2 [2024-02-07 14:49:03,644 INFO L76 edCorrectnessWitness]: Location invariant before [L756-L756] x == 1 [2024-02-07 14:49:03,644 INFO L76 edCorrectnessWitness]: Location invariant before [L815-L815] z$r_buff0_thd0 == (_Bool)0 [2024-02-07 14:49:03,645 INFO L76 edCorrectnessWitness]: Location invariant before [L836-L836] (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1) && (((z$w_buff1_used == (_Bool)1 && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1)) || (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) || (z$w_buff0_used == (_Bool)1 && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1))) [2024-02-07 14:49:03,645 INFO L76 edCorrectnessWitness]: Location invariant before [L776-L776] 1 <= __unbuffered_cnt [2024-02-07 14:49:03,646 INFO L76 edCorrectnessWitness]: Location invariant before [L786-L786] weak$$choice0 == (_Bool)0 || weak$$choice0 == (_Bool)1 [2024-02-07 14:49:03,646 INFO L76 edCorrectnessWitness]: Location invariant before [L874-L874] ((((0 <= __unbuffered_p3_EBX) && (__unbuffered_p3_EBX <= 1)) && (x == 2)) && (__unbuffered_p3_EBX == 0 || __unbuffered_p3_EBX == 1)) && ((y == 2 && ((__unbuffered_p2_EAX == 0 && (__unbuffered_p3_EAX == 1 || ((0 <= __unbuffered_p3_EAX && __unbuffered_p3_EAX <= 1) && (__unbuffered_p3_EAX == 0 || __unbuffered_p3_EAX == 1)))) || (((((0 <= __unbuffered_p2_EAX && 0 <= __unbuffered_p3_EAX) && __unbuffered_p2_EAX <= 1) && __unbuffered_p3_EAX <= 1) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (__unbuffered_p3_EAX == 0 || __unbuffered_p3_EAX == 1)))) || (((((((((0 <= __unbuffered_p2_EAX && 0 <= __unbuffered_p3_EAX) && 0 <= y) && __unbuffered_p2_EAX <= 1) && __unbuffered_p3_EAX <= 1) && y <= 2) && y <= 127) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (__unbuffered_p3_EAX == 0 || __unbuffered_p3_EAX == 1)) && ((y == 0 || y == 1) || y == 2))) [2024-02-07 14:49:03,646 INFO L76 edCorrectnessWitness]: Location invariant before [L768-L768] x == 2 [2024-02-07 14:49:03,646 INFO L76 edCorrectnessWitness]: Location invariant before [L813-L813] z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1 [2024-02-07 14:49:03,646 INFO L76 edCorrectnessWitness]: Location invariant before [L824-L824] a == 1 [2024-02-07 14:49:03,692 INFO L178 MainTranslator]: Built tables and reachable declarations [2024-02-07 14:49:03,842 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix040.opt.i[944,957] [2024-02-07 14:49:04,020 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:49:04,032 INFO L203 MainTranslator]: Completed pre-run Start Parsing Local [2024-02-07 14:49:04,058 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix040.opt.i[944,957] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-02-07 14:49:04,134 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:49:04,168 INFO L207 MainTranslator]: Completed translation [2024-02-07 14:49:04,168 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:49:04 WrapperNode [2024-02-07 14:49:04,169 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-07 14:49:04,169 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-07 14:49:04,169 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-07 14:49:04,170 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-07 14:49:04,174 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:49:04" (1/1) ... [2024-02-07 14:49:04,203 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:49:04" (1/1) ... [2024-02-07 14:49:04,244 INFO L138 Inliner]: procedures = 177, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 189 [2024-02-07 14:49:04,247 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-07 14:49:04,247 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-07 14:49:04,248 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-07 14:49:04,248 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-07 14:49:04,256 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:49:04" (1/1) ... [2024-02-07 14:49:04,256 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:49:04" (1/1) ... [2024-02-07 14:49:04,266 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:49:04" (1/1) ... [2024-02-07 14:49:04,292 INFO L175 MemorySlicer]: Split 6 memory accesses to 5 slices as follows [2, 1, 1, 1, 1]. 33 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0]. The 4 writes are split as follows [0, 1, 1, 1, 1]. [2024-02-07 14:49:04,293 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:49:04" (1/1) ... [2024-02-07 14:49:04,293 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:49:04" (1/1) ... [2024-02-07 14:49:04,305 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:49:04" (1/1) ... [2024-02-07 14:49:04,307 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:49:04" (1/1) ... [2024-02-07 14:49:04,321 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:49:04" (1/1) ... [2024-02-07 14:49:04,323 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:49:04" (1/1) ... [2024-02-07 14:49:04,326 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-07 14:49:04,326 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-07 14:49:04,326 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-07 14:49:04,326 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-07 14:49:04,327 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:49:04" (1/1) ... [2024-02-07 14:49:04,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:49:04,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-07 14:49:04,369 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-02-07 14:49:04,378 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-02-07 14:49:04,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-07 14:49:04,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-07 14:49:04,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-07 14:49:04,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-07 14:49:04,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-02-07 14:49:04,406 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-07 14:49:04,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-07 14:49:04,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-07 14:49:04,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-07 14:49:04,407 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-02-07 14:49:04,407 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-02-07 14:49:04,407 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-02-07 14:49:04,407 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-02-07 14:49:04,407 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-02-07 14:49:04,407 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-02-07 14:49:04,408 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-02-07 14:49:04,408 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-02-07 14:49:04,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-07 14:49:04,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-07 14:49:04,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-07 14:49:04,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-07 14:49:04,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-02-07 14:49:04,409 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-07 14:49:04,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-07 14:49:04,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-07 14:49:04,414 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-07 14:49:04,620 INFO L244 CfgBuilder]: Building ICFG [2024-02-07 14:49:04,621 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-07 14:49:04,955 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-07 14:49:04,955 INFO L293 CfgBuilder]: Performing block encoding [2024-02-07 14:49:05,225 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-07 14:49:05,226 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-07 14:49:05,227 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:49:05 BoogieIcfgContainer [2024-02-07 14:49:05,227 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-07 14:49:05,229 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-07 14:49:05,229 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-07 14:49:05,232 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-07 14:49:05,232 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 02:49:03" (1/4) ... [2024-02-07 14:49:05,233 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7784420a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 02:49:05, skipping insertion in model container [2024-02-07 14:49:05,233 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:49:03" (2/4) ... [2024-02-07 14:49:05,233 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7784420a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 02:49:05, skipping insertion in model container [2024-02-07 14:49:05,234 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:49:04" (3/4) ... [2024-02-07 14:49:05,234 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7784420a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 02:49:05, skipping insertion in model container [2024-02-07 14:49:05,234 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:49:05" (4/4) ... [2024-02-07 14:49:05,235 INFO L112 eAbstractionObserver]: Analyzing ICFG mix040.opt.i [2024-02-07 14:49:05,249 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-07 14:49:05,249 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 65 error locations. [2024-02-07 14:49:05,249 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-07 14:49:05,386 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-02-07 14:49:05,418 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 126 places, 114 transitions, 244 flow [2024-02-07 14:49:05,460 INFO L124 PetriNetUnfolderBase]: 1/110 cut-off events. [2024-02-07 14:49:05,461 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:49:05,464 INFO L83 FinitePrefix]: Finished finitePrefix Result has 123 conditions, 110 events. 1/110 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 532 event pairs, 0 based on Foata normal form. 0/44 useless extension candidates. Maximal degree in co-relation 114. Up to 2 conditions per place. [2024-02-07 14:49:05,464 INFO L82 GeneralOperation]: Start removeDead. Operand has 126 places, 114 transitions, 244 flow [2024-02-07 14:49:05,468 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 122 places, 110 transitions, 232 flow [2024-02-07 14:49:05,475 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 14:49:05,480 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7db76215, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 14:49:05,480 INFO L358 AbstractCegarLoop]: Starting to check reachability of 120 error locations. [2024-02-07 14:49:05,483 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 14:49:05,483 INFO L124 PetriNetUnfolderBase]: 0/4 cut-off events. [2024-02-07 14:49:05,483 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:49:05,483 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:49:05,484 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-02-07 14:49:05,484 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 117 more)] === [2024-02-07 14:49:05,488 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:49:05,488 INFO L85 PathProgramCache]: Analyzing trace with hash 21747822, now seen corresponding path program 1 times [2024-02-07 14:49:05,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:49:05,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670386836] [2024-02-07 14:49:05,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:49:05,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:49:05,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 14:49:05,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-07 14:49:05,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 14:49:05,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670386836] [2024-02-07 14:49:05,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670386836] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 14:49:05,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 14:49:05,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 14:49:05,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953481401] [2024-02-07 14:49:05,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 14:49:05,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-02-07 14:49:05,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 14:49:05,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-02-07 14:49:05,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-02-07 14:49:05,684 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 114 [2024-02-07 14:49:05,686 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 110 transitions, 232 flow. Second operand has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 14:49:05,692 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 14:49:05,692 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 114 [2024-02-07 14:49:05,693 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 14:49:16,277 INFO L124 PetriNetUnfolderBase]: 95207/139305 cut-off events. [2024-02-07 14:49:16,277 INFO L125 PetriNetUnfolderBase]: For 448/448 co-relation queries the response was YES. [2024-02-07 14:49:16,582 INFO L83 FinitePrefix]: Finished finitePrefix Result has 264497 conditions, 139305 events. 95207/139305 cut-off events. For 448/448 co-relation queries the response was YES. Maximal size of possible extension queue 6931. Compared 1179102 event pairs, 95207 based on Foata normal form. 2160/82604 useless extension candidates. Maximal degree in co-relation 264485. Up to 124237 conditions per place. [2024-02-07 14:49:17,226 INFO L140 encePairwiseOnDemand]: 82/114 looper letters, 45 selfloop transitions, 0 changer transitions 0/59 dead transitions. [2024-02-07 14:49:17,226 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 59 transitions, 220 flow [2024-02-07 14:49:17,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-02-07 14:49:17,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-02-07 14:49:17,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 113 transitions. [2024-02-07 14:49:17,235 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4956140350877193 [2024-02-07 14:49:17,237 INFO L175 Difference]: Start difference. First operand has 122 places, 110 transitions, 232 flow. Second operand 2 states and 113 transitions. [2024-02-07 14:49:17,237 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 59 transitions, 220 flow [2024-02-07 14:49:17,242 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 59 transitions, 216 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-02-07 14:49:17,244 INFO L231 Difference]: Finished difference. Result has 69 places, 59 transitions, 126 flow [2024-02-07 14:49:17,246 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=114, PETRI_DIFFERENCE_MINUEND_FLOW=126, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=126, PETRI_PLACES=69, PETRI_TRANSITIONS=59} [2024-02-07 14:49:17,250 INFO L281 CegarLoopForPetriNet]: 122 programPoint places, -53 predicate places. [2024-02-07 14:49:17,250 INFO L495 AbstractCegarLoop]: Abstraction has has 69 places, 59 transitions, 126 flow [2024-02-07 14:49:17,251 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 14:49:17,251 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:49:17,251 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-02-07 14:49:17,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-07 14:49:17,251 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 117 more)] === [2024-02-07 14:49:17,253 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:49:17,253 INFO L85 PathProgramCache]: Analyzing trace with hash -649905039, now seen corresponding path program 1 times [2024-02-07 14:49:17,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:49:17,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927653258] [2024-02-07 14:49:17,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:49:17,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:49:17,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 14:49:17,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-07 14:49:17,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 14:49:17,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927653258] [2024-02-07 14:49:17,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927653258] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 14:49:17,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 14:49:17,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 14:49:17,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826318240] [2024-02-07 14:49:17,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 14:49:17,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 14:49:17,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 14:49:17,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 14:49:17,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 14:49:17,362 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 114 [2024-02-07 14:49:17,362 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 59 transitions, 126 flow. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 14:49:17,363 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 14:49:17,363 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 114 [2024-02-07 14:49:17,363 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 14:49:24,039 INFO L124 PetriNetUnfolderBase]: 74046/100355 cut-off events. [2024-02-07 14:49:24,039 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:49:24,339 INFO L83 FinitePrefix]: Finished finitePrefix Result has 198495 conditions, 100355 events. 74046/100355 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4987. Compared 710565 event pairs, 22358 based on Foata normal form. 0/60445 useless extension candidates. Maximal degree in co-relation 198492. Up to 77643 conditions per place. [2024-02-07 14:49:24,921 INFO L140 encePairwiseOnDemand]: 106/114 looper letters, 77 selfloop transitions, 4 changer transitions 0/95 dead transitions. [2024-02-07 14:49:24,922 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 95 transitions, 366 flow [2024-02-07 14:49:24,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-07 14:49:24,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-07 14:49:24,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 139 transitions. [2024-02-07 14:49:24,927 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4064327485380117 [2024-02-07 14:49:24,927 INFO L175 Difference]: Start difference. First operand has 69 places, 59 transitions, 126 flow. Second operand 3 states and 139 transitions. [2024-02-07 14:49:24,927 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 95 transitions, 366 flow [2024-02-07 14:49:24,928 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 95 transitions, 366 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-02-07 14:49:24,930 INFO L231 Difference]: Finished difference. Result has 72 places, 62 transitions, 158 flow [2024-02-07 14:49:24,931 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=114, PETRI_DIFFERENCE_MINUEND_FLOW=126, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=158, PETRI_PLACES=72, PETRI_TRANSITIONS=62} [2024-02-07 14:49:24,932 INFO L281 CegarLoopForPetriNet]: 122 programPoint places, -50 predicate places. [2024-02-07 14:49:24,932 INFO L495 AbstractCegarLoop]: Abstraction has has 72 places, 62 transitions, 158 flow [2024-02-07 14:49:24,932 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 14:49:24,932 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:49:24,932 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-02-07 14:49:24,932 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-02-07 14:49:24,933 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P2Err8ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 117 more)] === [2024-02-07 14:49:24,936 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:49:24,936 INFO L85 PathProgramCache]: Analyzing trace with hash 78128353, now seen corresponding path program 1 times [2024-02-07 14:49:24,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:49:24,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649413999] [2024-02-07 14:49:24,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:49:24,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:49:24,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 14:49:25,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-07 14:49:25,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 14:49:25,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649413999] [2024-02-07 14:49:25,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649413999] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 14:49:25,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 14:49:25,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 14:49:25,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495435487] [2024-02-07 14:49:25,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 14:49:25,071 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 14:49:25,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 14:49:25,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 14:49:25,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 14:49:25,073 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 114 [2024-02-07 14:49:25,074 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 62 transitions, 158 flow. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 14:49:25,074 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 14:49:25,074 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 114 [2024-02-07 14:49:25,074 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 14:49:31,287 INFO L124 PetriNetUnfolderBase]: 61612/91225 cut-off events. [2024-02-07 14:49:31,288 INFO L125 PetriNetUnfolderBase]: For 8159/8159 co-relation queries the response was YES. [2024-02-07 14:49:31,557 INFO L83 FinitePrefix]: Finished finitePrefix Result has 190734 conditions, 91225 events. 61612/91225 cut-off events. For 8159/8159 co-relation queries the response was YES. Maximal size of possible extension queue 4434. Compared 750537 event pairs, 59196 based on Foata normal form. 0/58226 useless extension candidates. Maximal degree in co-relation 190729. Up to 81131 conditions per place. [2024-02-07 14:49:32,117 INFO L140 encePairwiseOnDemand]: 111/114 looper letters, 45 selfloop transitions, 1 changer transitions 0/60 dead transitions. [2024-02-07 14:49:32,118 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 60 transitions, 246 flow [2024-02-07 14:49:32,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-07 14:49:32,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-07 14:49:32,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 99 transitions. [2024-02-07 14:49:32,119 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.2894736842105263 [2024-02-07 14:49:32,119 INFO L175 Difference]: Start difference. First operand has 72 places, 62 transitions, 158 flow. Second operand 3 states and 99 transitions. [2024-02-07 14:49:32,120 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 60 transitions, 246 flow [2024-02-07 14:49:32,123 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 60 transitions, 242 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-02-07 14:49:32,123 INFO L231 Difference]: Finished difference. Result has 71 places, 60 transitions, 152 flow [2024-02-07 14:49:32,124 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=114, PETRI_DIFFERENCE_MINUEND_FLOW=150, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=152, PETRI_PLACES=71, PETRI_TRANSITIONS=60} [2024-02-07 14:49:32,124 INFO L281 CegarLoopForPetriNet]: 122 programPoint places, -51 predicate places. [2024-02-07 14:49:32,124 INFO L495 AbstractCegarLoop]: Abstraction has has 71 places, 60 transitions, 152 flow [2024-02-07 14:49:32,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 14:49:32,125 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:49:32,125 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-02-07 14:49:32,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-02-07 14:49:32,125 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err11ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 117 more)] === [2024-02-07 14:49:32,126 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:49:32,126 INFO L85 PathProgramCache]: Analyzing trace with hash 78128356, now seen corresponding path program 1 times [2024-02-07 14:49:32,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:49:32,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280812942] [2024-02-07 14:49:32,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:49:32,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:49:32,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 14:49:32,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-07 14:49:32,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 14:49:32,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280812942] [2024-02-07 14:49:32,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280812942] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 14:49:32,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 14:49:32,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 14:49:32,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250535528] [2024-02-07 14:49:32,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 14:49:32,711 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 14:49:32,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 14:49:32,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 14:49:32,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 14:49:32,714 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 114 [2024-02-07 14:49:32,714 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 60 transitions, 152 flow. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 14:49:32,715 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 14:49:32,715 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 114 [2024-02-07 14:49:32,715 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 14:49:38,349 INFO L124 PetriNetUnfolderBase]: 58568/81126 cut-off events. [2024-02-07 14:49:38,350 INFO L125 PetriNetUnfolderBase]: For 8668/8668 co-relation queries the response was YES. [2024-02-07 14:49:38,578 INFO L83 FinitePrefix]: Finished finitePrefix Result has 173316 conditions, 81126 events. 58568/81126 cut-off events. For 8668/8668 co-relation queries the response was YES. Maximal size of possible extension queue 3916. Compared 570876 event pairs, 17167 based on Foata normal form. 0/51483 useless extension candidates. Maximal degree in co-relation 173311. Up to 53252 conditions per place. [2024-02-07 14:49:38,911 INFO L140 encePairwiseOnDemand]: 107/114 looper letters, 77 selfloop transitions, 6 changer transitions 0/97 dead transitions. [2024-02-07 14:49:38,911 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 97 transitions, 412 flow [2024-02-07 14:49:38,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-07 14:49:38,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-07 14:49:38,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 132 transitions. [2024-02-07 14:49:38,913 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.38596491228070173 [2024-02-07 14:49:38,913 INFO L175 Difference]: Start difference. First operand has 71 places, 60 transitions, 152 flow. Second operand 3 states and 132 transitions. [2024-02-07 14:49:38,913 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 97 transitions, 412 flow [2024-02-07 14:49:38,916 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 97 transitions, 411 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-02-07 14:49:38,917 INFO L231 Difference]: Finished difference. Result has 73 places, 65 transitions, 191 flow [2024-02-07 14:49:38,917 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=114, PETRI_DIFFERENCE_MINUEND_FLOW=151, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=191, PETRI_PLACES=73, PETRI_TRANSITIONS=65} [2024-02-07 14:49:38,918 INFO L281 CegarLoopForPetriNet]: 122 programPoint places, -49 predicate places. [2024-02-07 14:49:38,918 INFO L495 AbstractCegarLoop]: Abstraction has has 73 places, 65 transitions, 191 flow [2024-02-07 14:49:38,932 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 14:49:38,932 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:49:38,932 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-02-07 14:49:38,933 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-02-07 14:49:38,933 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting P2Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 117 more)] === [2024-02-07 14:49:38,933 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:49:38,933 INFO L85 PathProgramCache]: Analyzing trace with hash 78128346, now seen corresponding path program 1 times [2024-02-07 14:49:38,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:49:38,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479941226] [2024-02-07 14:49:38,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:49:38,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:49:38,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 14:49:38,945 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-07 14:49:38,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 14:49:38,970 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-07 14:49:38,970 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-02-07 14:49:38,971 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location P2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (119 of 120 remaining) [2024-02-07 14:49:38,972 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT (118 of 120 remaining) [2024-02-07 14:49:38,973 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT (117 of 120 remaining) [2024-02-07 14:49:38,973 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (116 of 120 remaining) [2024-02-07 14:49:38,974 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err3ASSERT_VIOLATIONWITNESS_INVARIANT (115 of 120 remaining) [2024-02-07 14:49:38,974 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (114 of 120 remaining) [2024-02-07 14:49:38,974 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (113 of 120 remaining) [2024-02-07 14:49:38,975 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (112 of 120 remaining) [2024-02-07 14:49:38,975 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (111 of 120 remaining) [2024-02-07 14:49:38,975 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (110 of 120 remaining) [2024-02-07 14:49:38,975 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (109 of 120 remaining) [2024-02-07 14:49:38,975 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (108 of 120 remaining) [2024-02-07 14:49:38,975 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (107 of 120 remaining) [2024-02-07 14:49:38,976 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (106 of 120 remaining) [2024-02-07 14:49:38,976 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (105 of 120 remaining) [2024-02-07 14:49:38,976 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (104 of 120 remaining) [2024-02-07 14:49:38,976 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (103 of 120 remaining) [2024-02-07 14:49:38,976 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (102 of 120 remaining) [2024-02-07 14:49:38,976 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (101 of 120 remaining) [2024-02-07 14:49:38,976 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (100 of 120 remaining) [2024-02-07 14:49:38,980 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err11ASSERT_VIOLATIONWITNESS_INVARIANT (99 of 120 remaining) [2024-02-07 14:49:38,980 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err12ASSERT_VIOLATIONWITNESS_INVARIANT (98 of 120 remaining) [2024-02-07 14:49:38,980 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err13ASSERT_VIOLATIONWITNESS_INVARIANT (97 of 120 remaining) [2024-02-07 14:49:38,981 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err14ASSERT_VIOLATIONWITNESS_INVARIANT (96 of 120 remaining) [2024-02-07 14:49:38,981 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err15ASSERT_VIOLATIONWITNESS_INVARIANT (95 of 120 remaining) [2024-02-07 14:49:38,981 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (94 of 120 remaining) [2024-02-07 14:49:38,981 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err1ASSERT_VIOLATIONWITNESS_INVARIANT (93 of 120 remaining) [2024-02-07 14:49:38,981 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err2ASSERT_VIOLATIONWITNESS_INVARIANT (92 of 120 remaining) [2024-02-07 14:49:38,981 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err3ASSERT_VIOLATIONWITNESS_INVARIANT (91 of 120 remaining) [2024-02-07 14:49:38,981 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err4ASSERT_VIOLATIONWITNESS_INVARIANT (90 of 120 remaining) [2024-02-07 14:49:38,982 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err5ASSERT_VIOLATIONWITNESS_INVARIANT (89 of 120 remaining) [2024-02-07 14:49:38,982 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err6ASSERT_VIOLATIONERROR_FUNCTION (88 of 120 remaining) [2024-02-07 14:49:38,982 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err7ASSERT_VIOLATIONWITNESS_INVARIANT (87 of 120 remaining) [2024-02-07 14:49:38,982 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err8ASSERT_VIOLATIONWITNESS_INVARIANT (86 of 120 remaining) [2024-02-07 14:49:38,982 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err9ASSERT_VIOLATIONWITNESS_INVARIANT (85 of 120 remaining) [2024-02-07 14:49:38,982 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err10ASSERT_VIOLATIONWITNESS_INVARIANT (84 of 120 remaining) [2024-02-07 14:49:38,983 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err11ASSERT_VIOLATIONWITNESS_INVARIANT (83 of 120 remaining) [2024-02-07 14:49:38,983 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err12ASSERT_VIOLATIONWITNESS_INVARIANT (82 of 120 remaining) [2024-02-07 14:49:38,983 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err13ASSERT_VIOLATIONWITNESS_INVARIANT (81 of 120 remaining) [2024-02-07 14:49:38,983 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err14ASSERT_VIOLATIONWITNESS_INVARIANT (80 of 120 remaining) [2024-02-07 14:49:38,983 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err15ASSERT_VIOLATIONWITNESS_INVARIANT (79 of 120 remaining) [2024-02-07 14:49:38,984 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err16ASSERT_VIOLATIONWITNESS_INVARIANT (78 of 120 remaining) [2024-02-07 14:49:38,984 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err17ASSERT_VIOLATIONWITNESS_INVARIANT (77 of 120 remaining) [2024-02-07 14:49:38,984 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err18ASSERT_VIOLATIONWITNESS_INVARIANT (76 of 120 remaining) [2024-02-07 14:49:38,984 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err19ASSERT_VIOLATIONWITNESS_INVARIANT (75 of 120 remaining) [2024-02-07 14:49:38,984 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err20ASSERT_VIOLATIONWITNESS_INVARIANT (74 of 120 remaining) [2024-02-07 14:49:38,984 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err21ASSERT_VIOLATIONWITNESS_INVARIANT (73 of 120 remaining) [2024-02-07 14:49:38,985 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err22ASSERT_VIOLATIONWITNESS_INVARIANT (72 of 120 remaining) [2024-02-07 14:49:38,985 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err23ASSERT_VIOLATIONWITNESS_INVARIANT (71 of 120 remaining) [2024-02-07 14:49:38,985 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err24ASSERT_VIOLATIONWITNESS_INVARIANT (70 of 120 remaining) [2024-02-07 14:49:38,985 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err25ASSERT_VIOLATIONWITNESS_INVARIANT (69 of 120 remaining) [2024-02-07 14:49:38,985 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err26ASSERT_VIOLATIONWITNESS_INVARIANT (68 of 120 remaining) [2024-02-07 14:49:38,985 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (67 of 120 remaining) [2024-02-07 14:49:38,985 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (66 of 120 remaining) [2024-02-07 14:49:38,986 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (65 of 120 remaining) [2024-02-07 14:49:38,986 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (64 of 120 remaining) [2024-02-07 14:49:38,986 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 120 remaining) [2024-02-07 14:49:38,986 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (62 of 120 remaining) [2024-02-07 14:49:38,986 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 120 remaining) [2024-02-07 14:49:38,986 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 120 remaining) [2024-02-07 14:49:38,986 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 120 remaining) [2024-02-07 14:49:38,987 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 120 remaining) [2024-02-07 14:49:38,987 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 120 remaining) [2024-02-07 14:49:38,987 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 120 remaining) [2024-02-07 14:49:38,987 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 120 remaining) [2024-02-07 14:49:38,987 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION (54 of 120 remaining) [2024-02-07 14:49:38,987 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (53 of 120 remaining) [2024-02-07 14:49:38,987 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (52 of 120 remaining) [2024-02-07 14:49:38,988 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (51 of 120 remaining) [2024-02-07 14:49:38,988 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (50 of 120 remaining) [2024-02-07 14:49:38,988 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 120 remaining) [2024-02-07 14:49:38,988 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 120 remaining) [2024-02-07 14:49:38,988 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 120 remaining) [2024-02-07 14:49:38,988 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err3ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 120 remaining) [2024-02-07 14:49:38,988 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 120 remaining) [2024-02-07 14:49:38,989 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 120 remaining) [2024-02-07 14:49:38,989 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 120 remaining) [2024-02-07 14:49:38,989 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 120 remaining) [2024-02-07 14:49:38,989 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 120 remaining) [2024-02-07 14:49:38,989 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 120 remaining) [2024-02-07 14:49:38,989 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 120 remaining) [2024-02-07 14:49:38,992 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 120 remaining) [2024-02-07 14:49:38,992 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 120 remaining) [2024-02-07 14:49:38,992 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 120 remaining) [2024-02-07 14:49:38,992 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 120 remaining) [2024-02-07 14:49:38,992 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 120 remaining) [2024-02-07 14:49:38,992 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 120 remaining) [2024-02-07 14:49:38,992 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 120 remaining) [2024-02-07 14:49:38,993 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err11ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 120 remaining) [2024-02-07 14:49:38,993 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err12ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 120 remaining) [2024-02-07 14:49:38,993 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err13ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 120 remaining) [2024-02-07 14:49:38,993 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err14ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 120 remaining) [2024-02-07 14:49:38,993 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err15ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 120 remaining) [2024-02-07 14:49:38,993 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 120 remaining) [2024-02-07 14:49:38,993 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err1ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 120 remaining) [2024-02-07 14:49:38,994 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err2ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 120 remaining) [2024-02-07 14:49:38,994 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err3ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 120 remaining) [2024-02-07 14:49:38,994 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err4ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 120 remaining) [2024-02-07 14:49:38,994 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err5ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 120 remaining) [2024-02-07 14:49:38,994 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err6ASSERT_VIOLATIONERROR_FUNCTION (20 of 120 remaining) [2024-02-07 14:49:38,994 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err7ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 120 remaining) [2024-02-07 14:49:38,994 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err8ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 120 remaining) [2024-02-07 14:49:38,995 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err9ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 120 remaining) [2024-02-07 14:49:38,995 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err10ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 120 remaining) [2024-02-07 14:49:38,995 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err11ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 120 remaining) [2024-02-07 14:49:38,995 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err12ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 120 remaining) [2024-02-07 14:49:38,995 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err13ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 120 remaining) [2024-02-07 14:49:38,995 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err14ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 120 remaining) [2024-02-07 14:49:38,995 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err15ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 120 remaining) [2024-02-07 14:49:38,996 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err16ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 120 remaining) [2024-02-07 14:49:38,996 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err17ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 120 remaining) [2024-02-07 14:49:38,996 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err18ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 120 remaining) [2024-02-07 14:49:38,996 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err19ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 120 remaining) [2024-02-07 14:49:38,996 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err20ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 120 remaining) [2024-02-07 14:49:38,996 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err21ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 120 remaining) [2024-02-07 14:49:38,996 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err22ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 120 remaining) [2024-02-07 14:49:38,997 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err23ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 120 remaining) [2024-02-07 14:49:38,997 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err24ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 120 remaining) [2024-02-07 14:49:38,997 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err25ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 120 remaining) [2024-02-07 14:49:38,997 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err26ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 120 remaining) [2024-02-07 14:49:38,997 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-02-07 14:49:38,998 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-02-07 14:49:39,003 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-02-07 14:49:39,004 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-02-07 14:49:39,029 INFO L503 ceAbstractionStarter]: Automizer considered 63 witness invariants [2024-02-07 14:49:39,029 INFO L504 ceAbstractionStarter]: WitnessConsidered=63 [2024-02-07 14:49:39,030 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 02:49:39 BasicIcfg [2024-02-07 14:49:39,030 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-02-07 14:49:39,030 INFO L158 Benchmark]: Toolchain (without parser) took 35525.67ms. Allocated memory was 157.3MB in the beginning and 14.8GB in the end (delta: 14.6GB). Free memory was 117.7MB in the beginning and 12.1GB in the end (delta: -12.0GB). Peak memory consumption was 2.7GB. Max. memory is 16.1GB. [2024-02-07 14:49:39,030 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 115.3MB. Free memory is still 87.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 14:49:39,030 INFO L158 Benchmark]: Witness Parser took 0.41ms. Allocated memory is still 157.3MB. Free memory is still 123.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 14:49:39,031 INFO L158 Benchmark]: CACSL2BoogieTranslator took 663.33ms. Allocated memory is still 157.3MB. Free memory was 117.2MB in the beginning and 68.2MB in the end (delta: 49.0MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-02-07 14:49:39,031 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.51ms. Allocated memory is still 157.3MB. Free memory was 68.2MB in the beginning and 64.8MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-07 14:49:39,032 INFO L158 Benchmark]: Boogie Preprocessor took 78.20ms. Allocated memory is still 157.3MB. Free memory was 64.8MB in the beginning and 61.1MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-02-07 14:49:39,032 INFO L158 Benchmark]: RCFGBuilder took 900.91ms. Allocated memory is still 157.3MB. Free memory was 61.1MB in the beginning and 65.4MB in the end (delta: -4.3MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. [2024-02-07 14:49:39,032 INFO L158 Benchmark]: TraceAbstraction took 33800.38ms. Allocated memory was 157.3MB in the beginning and 14.8GB in the end (delta: 14.6GB). Free memory was 64.3MB in the beginning and 12.1GB in the end (delta: -12.0GB). Peak memory consumption was 2.6GB. Max. memory is 16.1GB. [2024-02-07 14:49:39,034 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 115.3MB. Free memory is still 87.9MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.41ms. Allocated memory is still 157.3MB. Free memory is still 123.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 663.33ms. Allocated memory is still 157.3MB. Free memory was 117.2MB in the beginning and 68.2MB in the end (delta: 49.0MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.51ms. Allocated memory is still 157.3MB. Free memory was 68.2MB in the beginning and 64.8MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.20ms. Allocated memory is still 157.3MB. Free memory was 64.8MB in the beginning and 61.1MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 900.91ms. Allocated memory is still 157.3MB. Free memory was 61.1MB in the beginning and 65.4MB in the end (delta: -4.3MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. * TraceAbstraction took 33800.38ms. Allocated memory was 157.3MB in the beginning and 14.8GB in the end (delta: 14.6GB). Free memory was 64.3MB in the beginning and 12.1GB in the end (delta: -12.0GB). Peak memory consumption was 2.6GB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 786]: invariant of correctness witness can be violated invariant of correctness witness can be violated We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p2_EAX = 0; [L714] 0 int __unbuffered_p3_EAX = 0; [L716] 0 int __unbuffered_p3_EBX = 0; [L718] 0 int a = 0; [L720] 0 int b = 0; [L721] 0 _Bool main$tmp_guard0; [L722] 0 _Bool main$tmp_guard1; [L724] 0 int x = 0; [L726] 0 int y = 0; [L728] 0 int z = 0; [L729] 0 _Bool z$flush_delayed; [L730] 0 int z$mem_tmp; [L731] 0 _Bool z$r_buff0_thd0; [L732] 0 _Bool z$r_buff0_thd1; [L733] 0 _Bool z$r_buff0_thd2; [L734] 0 _Bool z$r_buff0_thd3; [L735] 0 _Bool z$r_buff0_thd4; [L736] 0 _Bool z$r_buff1_thd0; [L737] 0 _Bool z$r_buff1_thd1; [L738] 0 _Bool z$r_buff1_thd2; [L739] 0 _Bool z$r_buff1_thd3; [L740] 0 _Bool z$r_buff1_thd4; [L741] 0 _Bool z$read_delayed; [L742] 0 int *z$read_delayed_var; [L743] 0 int z$w_buff0; [L744] 0 _Bool z$w_buff0_used; [L745] 0 int z$w_buff1; [L746] 0 _Bool z$w_buff1_used; [L747] 0 _Bool weak$$choice0; [L748] 0 _Bool weak$$choice2; [L854] 0 pthread_t t1061; [L855] FCALL, FORK 0 pthread_create(&t1061, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, t1061={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=0] [L856] 0 pthread_t t1062; [L857] FCALL, FORK 0 pthread_create(&t1062, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, t1061={5:0}, t1062={6:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=0] [L858] 0 pthread_t t1063; [L859] FCALL, FORK 0 pthread_create(&t1063, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, t1061={5:0}, t1062={6:0}, t1063={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=0] [L782] 3 y = 2 [L783] 3 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[y],IntegerLiteral[2]]]] VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=0] [L785] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L786] 3 CodeAnnotStmt[Assertion[BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[weak$$choice0],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[weak$$choice0],CastExpression[ACSLType[_Bool],IntegerLiteral[1]]]]]] VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=0, x=0, y=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=0] - UnprovableResult [Line: 753]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 756]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 760]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 761]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 768]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 771]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 775]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 776]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 783]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 787]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 788]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 789]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 790]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 791]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 792]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 793]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 794]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 795]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 796]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 798]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 799]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 803]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 804]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 810]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 811]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 812]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 813]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 814]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 18]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 18]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 815]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 816]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 817]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 818]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 819]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 820]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 821]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 824]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 826]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 827]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 829]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 830]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 832]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 833]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 834]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 835]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 836]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 837]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 839]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 840]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 863]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 864]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 865]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 867]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 868]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 869]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 870]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 871]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 872]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 874]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 875]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 876]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 18]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 18]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 855]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 861]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 857]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 859]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 199 locations, 120 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 33.6s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 32.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 93 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 93 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 34 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 254 IncrementalHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 34 mSolverCounterUnsat, 0 mSDtfsCounter, 254 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=232occurred in iteration=0, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 397 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-02-07 14:49:39,074 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE